.main-1 li span {
  width: 70px;
}
.main .a {
  display: flex;
  align-items: center;
}
.main .a textarea {
  padding: 0;
  height: 30px;
  width: 250px;
  font-size: 10px;
  border: none;
  /* margin-left: 10px; */
}
.tan {
  height: 100px;
  width: 150px;
  background-color: rgba(0, 0, 0, 0.5);
  border-radius: 10px;
  position: fixed;
  top: 280px;
  left: 35%;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}
.tan .iconfont {
  color: #fff;
  font-weight: bold;
  font-size: 40px;
}
.tan p {
  color: #fff;
  margin-top: 5px;
}
.tan {
  display: none;
}
